Home / 15,421.16-23,131.74-4,329.02

Finding the Fourth Proportional to 15,421.16, 23,131.74 and 4,329.02

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Solution

The fourth proportional to 15,421.16, 23,131.74 and 4,329.02 is: 6,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.16 : 23,131.74 = 4,329.02 : x
  2. Step 2: Convert to fraction form
    15,421.16/23,131.74 = 4,329.02/x
  3. Step 3: Cross multiply
    15,421.16x = 23,131.74 × 4,329.02
  4. Step 4: Simplify right side
    15,421.16x = 100,137,765.09
  5. Step 5: Solve for x
    x = 100,137,765.09/15,421.16
  6. Step 6: Final answer
    x = 6,493.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.